Compressed air supplying device of a sewing machine
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Feb 6, 2018
Issued Date -
N/A
app pub date -
May 13, 2015
filing date -
Dec 5, 2014
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A compressed air supplying device of a sewing machine includes an air pump unit including a piston; a piston driving spring applying biasing force to the piston in an exhaust air direction which is a direction in which the air pump unit exhausts air for driving the piston in the exhaust air direction by the biasing force; a lever making the air pump unit perform intake air movements; and an operating force transmitting mechanism transmitting operating force of the lever to the piston for actuating the piston only in an intake air direction which is a direction in which the air pump unit intakes air against the biasing force of the piston driving spring by the operating force.
First Claim
Other Claims data not available
Family
International Classification(s)
- 2015 Application Filing Year
- D05B Class
- 123 Applications Filed
- 101 Patents Issued To-Date
- 82.12 % Issued To-Date
Cited Art Landscape
Patent Citation Ranking
- 1 Citation Count
- D05B Class
- 44.90 % this patent is cited more than
- 7 Age
Maintenance Fees
| Fee | Large entity fee | small entity fee | micro entity fee | due date |
|---|---|---|---|---|
| 7.5 Year Payment | $3600.00 | $1800.00 | $900.00 | Aug 6, 2025 |
| 11.5 Year Payment | $7400.00 | $3700.00 | $1850.00 | Aug 6, 2029 |
